ltc3850gn-2 Linear Technology Corporation, ltc3850gn-2 Datasheet - Page 33

• Manufacturer Part Number: ltc3850gn-2
• Description: Dual, 2-phase Synchronous Step-down Switching Controller
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIONS
V
OUT1
1.8V
5A
L1, L2: TOKO FDV0630 0.75μH
M1, M2: VISHAY SILICONIX Si4816BDY
C
OUT1
0.75μH
C
100μF
X2
OUT1
L1
, C
1.2k
25.5k
1%
47pF
1%
OUT2
: TAIYO YUDEN JMK325BJ107MM
20k
1%
M1
Figure 19. 1.8V/5A, 1.2V/5A Core-I/O Converter with a 5V Input Synchronized at 750kHz
2.94k
1%
4.7μF
14k
1%
2200pF
0.1μF
0.047μF
PLLIN
750kHz
100pF
D3
0.1μF
TG1
BOOST1
SW1
BG1
MODE/PLLIN
SENSE1
SENSE1
RUN1
V
I
V
TH1
TK/SS1
IN
FB1
1Ω
PGOOD
+
–
LTC3850-2
SGND
EXTV
FREQ/PLLFLTR
CC
SENSE2
SENSE2
BOOST2
TK/SS2
INTV
PGND
RUN2
SW2
V
BG2
TG2
I
TH2
FB2
CC
+
–
0.1μF
D4
1nF
0.1μF
10k
1%
10nF
0.047μF
14k
1%
2200pF
4.99k
1%
M2
100pF
20k
1%
LTC3850-2
1.2k
1%
0.75μH
4.7μF
6.3V
2x
100pF
10k
1%
L2
38502 F19
5V ± 0.5V
33
C
100μF
X2
V
1.2V
5A
OUT2
OUT2
38502f